Add utility method for WebString to base::FilePath conversion

content/child/webfileutilities_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/webfileutilities_impl.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "content/child/file_info_util.h"
 #include "net/base/file_stream.h"
 #include "net/base/filename_util.h"
+#include "third_party/WebKit/public/platform/FilePathConversion.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 
 using blink::WebString;
 
 namespace content {
 
 WebFileUtilitiesImpl::WebFileUtilitiesImpl()
     : sandbox_enabled_(true) {
 }
 
 WebFileUtilitiesImpl::~WebFileUtilitiesImpl() {
 }
 
 bool WebFileUtilitiesImpl::getFileInfo(const WebString& path,
                                        blink::WebFileInfo& web_file_info) {
   if (sandbox_enabled_) {
     NOTREACHED();
     return false;
   }
   base::File::Info file_info;
-  if (!base::GetFileInfo(base::FilePath::FromUTF16Unsafe(path),
+  if (!base::GetFileInfo(blink::WebStringToFilePath(path),
                          reinterpret_cast<base::File::Info*>(&file_info)))
     return false;
 
   FileInfoToWebFileInfo(file_info, &web_file_info);
   web_file_info.platformPath = path;
   return true;
 }
 
 WebString WebFileUtilitiesImpl::directoryName(const WebString& path) {
-  return base::FilePath::FromUTF16Unsafe(path).DirName().AsUTF16Unsafe();
+  return blink::WebStringToFilePath(path).DirName().AsUTF16Unsafe();
 }
 
 WebString WebFileUtilitiesImpl::baseName(const WebString& path) {
-  return base::FilePath::FromUTF16Unsafe(path).BaseName().AsUTF16Unsafe();
+  return blink::WebStringToFilePath(path).BaseName().AsUTF16Unsafe();
 }
 
 blink::WebURL WebFileUtilitiesImpl::filePathToURL(const WebString& path) {
-  return net::FilePathToFileURL(base::FilePath::FromUTF16Unsafe(path));
+  return net::FilePathToFileURL(blink::WebStringToFilePath(path));
 }
 
 }  // namespace content